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17. INCOME TAXES (Tables)
12 Months Ended
Dec. 31, 2019
Income Tax Disclosure [Abstract]  
Income tax reconciliation
   Year ended December 31, 
   2019   2018 
Computed “expected” tax expense (benefit)  $(826,124)  $(755,744)
State taxes, net of federal benefit   (271,629)   (251,217)
Non-deductible stock options   2,700,494     
Non-deductible items   998    (74,120)
True-up to tax return   5,073     
Change in deferred tax asset valuation allowance   (1,605,712)   1,081,081 
Income tax expense  $3,100   $ 
Deferred tax assets and liabilities
   2019   2018 
Deferred tax assets:          
Charitable contributions  $   $2,900 
Reserve for bad debt   680    17,805 
Stock options   760,763    3,448,014 
Deferred Revenue   24,077    233,883 
Depreciation       22,937 
Other   59,947    19,661 
Net operating loss carryforward   8,996,569    7,755,622 
Total gross deferred tax assets   9,842,036    11,500,822 
Less: Deferred tax asset valuation allowance   (9,827,176)   (11,432,888)
Total net deferred tax assets   14,860    67,934 
           
Deferred tax liabilities:          
Accrued salaries       (67,934)
Depreciation   (14,860)    
Total deferred tax liabilities   (14,860)   (67,934)
Total net deferred taxes  $   $